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Jayant K.
$18/hr
99% Job Success
$200K+ earned
Available now
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Hello! I'm Jayant, a seasoned full stack developer with over 14 years of experience in crafting innovative SaaS platforms and workflow automation systems. My mission is to help startups and growing businesses transform their ideas into robust, AI-native solutions that drive efficiency and scalability. I specialize in end-to-end platform development, ensuring that both the frontend and backend are seamlessly integrated to deliver exceptional user experiences. My expertise spans various technologies including React, Node.js, and cloud-native architectures, allowing me to create custom solutions tailored to your unique business needs. I believe in a collaborative approach, working closely with stakeholders to convert complex requirements into clean, reliable systems. If you're looking for a technical partner who can help you navigate the complexities of software development and turn them into scalable technology, let's connect and discuss how I can contribute to your success!
SmartData Inc Agency
Associated with
SmartData Inc Agency
$70M+
earned
Amir K.
$25/hr
100% Job Success
$300K+ earned
Available now
Offers consultations
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🏆 Top Rated Plus | $300K+ Earned | 100% Job Success | 11+ Years Experience I'm Amir, a Full-Stack Developer who builds scalable, production-ready web applications using Next.js, React, and MongoDB, with AI and automation baked in where it drives real business results. I don't just ship code. I ship products that make money, save time, and scale. ✅ WHAT I BUILD 🔹 Full-Stack Web Applications (Next.js, React, Node.js, MongoDB) 🔹 AI-Powered SaaS Platforms (OpenAI, Claude, RAG, LangChain) 🔹 Shopify Apps & E-commerce Integrations 🔹 Trading Platforms & FinTech Dashboards 🔹 Custom APIs & Third-Party Integrations (Stripe, Twilio, HubSpot) 🔹 Workflow Automations (Zapier, Make, n8n) 🔹 MongoDB Architecture, Migrations & Optimization 🔹 MVP Development for Startups & Founders 💼 RECENT PROJECT HIGHLIGHTS ✅ Built a real-time trading platform UI with complex charting & live data streaming, handled thousands of concurrent users ✅ Architected & executed a large-scale MongoDB migration for a SaaS platform without downtime, improving query performance by 40% ✅ Developed Shopify apps and custom integrations that automated inventory, orders, and customer flows for e-commerce brands ✅ Integrated OpenAI-powered features (chat, search, recommendations) into production web apps used by real customers daily 🛠️ CORE TECH STACK Frontend: Next.js, React, TypeScript, Tailwind CSS, Redux Backend: Node.js, Express, FastAPI, Python, REST, GraphQL Database: MongoDB, Mongoose, PostgreSQL, Supabase, Firebase AI & LLMs: OpenAI, Claude, LangChain, RAG, Vector DBs, Pinecone Automation: Zapier, Make, n8n, Custom Workflow Engines E-commerce: Shopify API, Shopify Apps, Stripe, WooCommerce DevOps: Vercel, AWS, Docker, Git, CI/CD, GitHub Actions Integrations: Stripe, Twilio, HubSpot, Salesforce, OpenAI API, Webhooks 🌟 WHY CLIENTS RE-HIRE ME 🔹 Top 1% on Upwork, 100% Job Success across 100+ projects 🔹 I write clean, maintainable, well-documented code 🔹 I communicate proactively, no ghosting, no surprises 🔹 I own outcomes, not just tasks 🔹 I ship on time, or I tell you early if something changes 🔹 I speak business, not just code, I understand ROI 👥 WHO I WORK BEST WITH ✅ Startup founders building MVPs and V1 products ✅ SaaS companies scaling AI features into existing platforms ✅ E-commerce brands needing custom Shopify apps or automations ✅ FinTech / trading companies building real-time dashboards ✅ Agencies needing a reliable senior developer for client projects 🚀 MY PROCESS 1️⃣ Discovery Call - I understand your goals, users, and constraints 2️⃣ Clear Proposal - Scope, timeline, milestones, honest pricing 3️⃣ Rapid Development - Weekly demos, daily updates, no black boxes 4️⃣ Production Launch - Tested, documented, ready to scale 5️⃣ Post-Launch Support - I don't disappear after delivery 📩 LET'S TALK If you're building something serious and want a senior developer who genuinely cares about your outcome, let's talk. Send me a message with: 1. What you're building (or what's broken) 2. Your timeline & rough budget 3. Any relevant docs, links, or designs I respond within a few hours with a clear plan and honest assessment of whether I'm the right fit. Looking forward to building something great together.
Amir K. has worked .
PureLogics
Associated with
PureLogics
Ganesh V.
$35/hr
100% Job Success
Available now
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⚡ If your system needs to scale, stay secure, and actually work under real-world pressure I’m the person you bring in. I’m a Senior Full Stack Architect with 10+ years of experience designing and building enterprise-grade platforms, microservices ecosystems, and AI-powered applications. I don’t just build features I design systems that don’t break. 💼 What I Help You Achieve Most clients come to me when they face: • A system that’s slowing down or failing at scale • Poor architecture decisions causing long-term issues • Need to integrate AI into real business workflows • Backend that works… but isn’t reliable or secure • A product that needs to go from MVP → production properly 👉 I fix these by building clean, scalable, and production-ready systems from the ground up (or improving existing ones). 🧠 My Core Expertise 🔹 Backend & Architecture (My Strongest Area) • Java (Spring Boot, Spring Security, JPA, Hibernate) • Microservices & event-driven systems • API design & system integrations • Performance optimization & reliability engineering 🔹 Full Stack Development • Angular, React, Next.js • Scalable frontend architecture • Clean, maintainable UI systems 🔹 AI Integration (Where I Add Extra Value) • OpenAI, LangChain, LlamaIndex • RAG pipelines & semantic search • AI agents & workflow automation • Document intelligence systems 👉 I don’t just add AI I integrate it in a way that actually improves business outcomes. ☁️ Cloud & DevOps • AWS architecture & deployment • Docker & CI/CD pipelines • Scalable, distributed systems 🏆 Proven Track Record ✔ 100+ systems delivered (enterprise + startups) ✔ 15,000+ hours of real-world development ✔ Long-term client relationships & repeat work 💡 How I Work (This Is Why Clients Stay) • I think in architecture, not just code • I focus on long-term scalability, not quick hacks • I communicate clearly — no confusion, no guessing • I take ownership from planning → deployment • I build systems that are easy to maintain and extend 🎯 When You Should Hire Me ✅ You need a serious engineer, not just a coder ✅ Your system must be stable, secure, and scalable ✅ You want to integrate AI properly (not just hype) ✅ You care about long-term quality over shortcuts 🚫 Not a Good Fit If ❌ You’re looking for the cheapest option ❌ You need quick fixes without proper architecture ❌ You don’t value clean, maintainable code 🚀 Let’s Build Something That Lasts If you’re building a product where performance, scalability, and reliability actually matter Send me a message with your project details. I’ll quickly tell you the best way to approach it.
Thinkitive Technologies Private Limited
Associated with
Thinkitive Technologies Private Limited
Ann S.
$30/hr
99% Job Success
$100K+ earned
Available now
Offers consultations
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🏆 Top 3% of Freelancers - Top Rated Plus 💎 10+ Years as Node.js Developer, Backend Developer, Full Stack Developer, Web Developer ⭐ Can do anything with Node.js, React, Next.js, MERN, JavaScript, TypeScript, ExpressJS, MongoDB, Python, Vue.js, React Native, RESTful API & AI integration "Anna is an exceptional developer! Our project flourished under her expertise. She's detail-oriented, creative, and a pleasure to work with. Communication was seamless, making the collaboration effortless. We highly endorse Anna and eagerly anticipate future collaborations." - Max A., NDA Hi! I'm Anna, a senior Node.js developer and backend developer with 10+ years building scalable web applications, SaaS platforms, RESTful APIs, and enterprise systems. Whether you need a dedicated Node.js developer, a node.js backend developer, or a full stack developer who owns the entire product - I deliver production-ready solutions built to scale. As a back end developer Node.js and full stack web developer, I work across the complete stack: from database architecture to pixel-perfect UI. My core stack: Node.js · ExpressJS · React · Next.js · TypeScript · JavaScript · MongoDB · MySQL · PostgreSQL · Vue.js · React Native · Python · PHP · WordPress · HTML · CSS 3 · Supabase · GraphQL · AWS · Docker 🔹 What I Do Best as Node.js Backend Developer As a Node.js developer and backend developer with enterprise-level experience, I specialize in: ✅ Back-End Development & Backend NodeJS Architecture - Scalable Node.js services, microservices, and backend nodejs systems built with ExpressJS, REST, and GraphQL. As a node.js backend developer, I design APIs that are fast, secure, and cloud-ready. Python backend and supabase backend integrations included. ✅ Full-Stack Development & Software Development - End-to-end web development as a full stack developer: React / Next.js frontends powered by robust Node.js backends. Full stack nodejs, react node.js, vue.js node.js, and node.js next.js delivery. Also available as a python full stack developer for AI-heavy projects. ✅ AI Integration & AI Model Integration - Embedding AI integration and AI model integration into Node.js, Python, and React applications. Full stack developer AI workflows, including LLM-powered features, intelligent automation, and app developer with AI capabilities. ✅ RESTful API Design & API Integration - As a backend engineer and back end developer Node.js, I build and integrate RESTful APIs, GraphQL endpoints, and third-party services. Experienced with Supabase, Airtable, and postgresql supabase javascript rest json pipelines. ✅ MVP & SaaS Development - From MVP app development to production SaaS: full stack developer SaaS platforms, no code MVP consultation, mobile app MVP, and scalable multi-tenant architecture as a fullstack developer node.js. ✅ Mobile & Front-End Development - React Native mobile apps, Vue.js node interfaces, react nextjs dashboards, and HTML/CSS 3 UIs. React developer with node.js experience across web and mobile. Also: react native mobile, front end developer react, html website developer. ✅ DevOps, Cloud & Security - AWS, Docker deployments; database design with MongoDB, MySQL, PostgreSQL, Supabase. Performance optimization and security hardening for every backend nodejs system I deliver. ✅ QA & Testing - QA development is built into every project. I write tests, perform code reviews, and validate backend nodejs services and React frontends before delivery - so you ship with confidence, not crossed fingers. 💡 Projects I'm Proud Of 🔹 SaaS Platform - As lead Node.js developer and node.js backend developer, built a MERN-based platform with subscription billing, multi-tenant architecture, and cloud pipelines. Increased user engagement by 40% and contributed to $1.2M+ ARR growth after launch. 🔹 E-commerce System - Delivered checkout flows as a full stack developer using React and Node.js APIs. Integrated payments, analytics, inventory sync, and fulfillment services. Boosted conversion rates by 25% and increased monthly revenue by $480K through frontend optimization. 🔹 Enterprise Dashboard with Admin Panel - As a node.js backend developer and react developer, built real-time dashboards with Next.js, GraphQL, and Node.js. Improved system throughput by 50% and reduced operational processing costs by 32%. 🚀 Why Work With Me? ✔ 300+ projects as a Node.js developer, backend nodejs engineer, and full stack developer ✔ 150+ satisfied clients across E-commerce · SaaS · FinTech · EdTech · Healthcare · Real Estate · Logistics · Startups ✔ Long-term partner from MVP to enterprise - I'm the Node.js developer and full stack developer who stays, scales, and delivers 📩 Need a Node.js developer, backend developer, or full stack developer for a custom solution? Invite me to the job or send a direct message and let's build something great. 📆 Last Updated: 7/1/26
Admiral Studios 🏆 Award-Winning Dev & Design & SEO Agency
Associated with
Admiral Studios 🏆 Award-Winning Dev & Design & SEO Agency
$500K+
earned
Bhavna S.
$20/hr
100% Job Success
$200K+ earned
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🚀 I help startups build high-performance React Native apps for iOS & Android — from MVP to scalable products. With 10+ years of experience and $200K+ earned on Upwork, I focus on building fast, reliable, and user-friendly mobile apps that grow with your business. 💡 What I can help you with: • Build MVP apps quickly and efficiently • Develop scalable React Native apps (iOS & Android) • Convert existing apps into mobile solutions • API integration (Node.js / Laravel backend) • App performance optimization & bug fixing • UI/UX implementation with smooth user experience 🛠 Tech Stack: React Native, Flutter, Laravel, Node.js, JavaScript, Swift, Kotlin 📈 Why clients choose me: • Clear communication & fast response • Reliable delivery (83+ completed jobs) • Focus on long-term partnerships • Clean, maintainable code Experience in Trello, JIRA, Asana, BitBuket, Springloops and BaseCamp for project management. If you're looking for a developer who understands both business and technology — let’s talk.
Bhavna S. has worked .
Sudipta B.
$35/hr
100% Job Success
$400K+ earned
Available now
Offers consultations
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I do more than execute predefined tasks. I help clients clarify requirements, improve product decisions, select the right architecture and reduce technical risks before development becomes expensive. I help businesses and product teams design, build and scale reliable AI and SaaS products. With $400K+ earned across 158 Upwork projects, I bring the combined perspective of a solution architect, product consultant and hands-on developer. My focus is building scalable and maintainable products that solve real business problems and can evolve as the company grows. 🔷 WHAT I CAN HELP YOU BUILD 🤖 AI Products and AI Agents ✅ AI agents and multi-step agentic workflows ✅ AI-powered customer support platforms ✅ RAG and knowledge-base applications ✅ AI systems connected to live business databases ✅ Document processing and intelligent search ✅ LLM integrations using OpenAI, Anthropic and other models ✅ AI-powered business process automation 💻 SaaS and Business Platforms ✅ Multi-tenant SaaS applications ✅ Membership and association platforms ✅ Customer, partner and administrator portals ✅ Subscription and payment systems ✅ Recruitment and applicant-tracking platforms ✅ Marketplaces and operational management systems ✅ Role-based dashboards and reporting platforms 🏗️ Solution Architecture ✅ Product discovery and technical planning ✅ System, application and database architecture ✅ API and third-party integration strategy ✅ Cloud infrastructure and deployment planning ✅ Scalability and performance optimisation ✅ Legacy-system modernisation ✅ Security-conscious application architecture ✅ Technical due diligence and architecture reviews 📈 SELECTED PRODUCT OUTCOMES ✅ Designed and built AI chatbots and AI agents serving 50,000+ users ✅ Helped build and launch a product that ranked #3 Product of the Day on Product Hunt ✅ Led solution architecture and engineering for a SaaS platform generating $2M+ in monthly revenue ✅ Contributed to the development of a product later selected by Y Combinator ✅ Helped build a technology product that was later acquired by PandaDoc ✅ Successfully completed 158 Upwork projects with more than $400K in total earnings ✅ All of these engagements began through Upwork 🧩 CORE TECHNOLOGY EXPERTISE 🤖 AI: LLM integrations, RAG, AI agents, vector databases, prompt workflows and intelligent automation 🖥️ Frontend: React.js, Next.js, Vue.js, React Native and TypeScript ⚙️ Backend: Python, Node.js, PHP and Laravel 🗄️ Databases: PostgreSQL, MySQL, MongoDB and vector databases ☁️ Cloud: AWS, Microsoft Azure, Digital Ocean and Google Cloud Platform 🔄 Automation: n8n, Zapier, Make and custom API-based workflows 🔗 Integrations: CRMs, payment gateways, authentication providers, communication platforms and third-party business systems 🤝 WHY CLIENTS WORK WITH ME ✅ I contribute ideas instead of blindly following specifications ✅ I combine product thinking with hands-on technical expertise ✅ I explain complex technical decisions in clear business language ✅ I take ownership of architecture, development and delivery outcomes ✅ I identify unnecessary complexity and recommend practical alternatives ✅ I communicate risks, dependencies and trade-offs transparently ✅ I work closely with clients as an extension of their product and engineering function ✅ I support the complete journey from discovery and architecture to development, launch and optimisation Whether you are building a new AI product, modernising an existing SaaS platform or automating a complex business workflow, I can help you define the right solution and take it from initial architecture to production.
Sudipta B. has worked .
Roman B.
$40/hr
100% Job Success
$10K+ earned
Available now
Offers consultations
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🚀 Over 14 years and 320+ shipped products, we've helped startups and scaling businesses turn ideas into fast, profitable digital platforms. Our team has delivered 180+ custom web applications, 60+ mobile apps, and 40+ AI-powered software systems, each engineered to perform from day one and scale without friction. I lead a senior full stack developer team with deep roots in both frontend and backend engineering. We've driven results that speak for themselves: load times reduced by up to 73%, API response times cut from 1.8s to under 200ms, and clients growing revenue by 3-5× after launching platforms we built. Whether the project calls for a dedicated React developer, a WordPress developer, a mobile app developer, or a complete full stack developer team owning end-to-end delivery, we've executed at scale across every major industry. E-commerce and growth systems are core to what we do. Our full stack Shopify builds have processed $2M+ in Year 1 GMV. Custom React Shopify frontends we've engineered improved client conversion rates by 38%. Full stack ecommerce platforms we've shipped now serve 50,000+ daily active users. Full stack SEO is baked into our engineering process from day one, server-side rendering via React Next.js, structured data, Core Web Vitals optimization, helping clients rank on Page 1 for 400+ competitive keywords within 6 months of launch. SEO React architecture isn't an afterthought in our workflow; it's a first-class engineering requirement built into every frontend system we deliver. Our React developers architect scalable component libraries used across teams of 15+ engineers and consistently deliver UI scoring 90+ on Lighthouse performance audits. On mobile, we've shipped 60+ cross-platform React Native mobile applications with 800,000+ combined downloads and an average 4.7★ app store rating. Every React Native developer on our team works across the full product lifecycle, architecture, development, App Store submission, and post-launch iteration, using React Native Expo for fast, reliable iOS and Android deployment. Our WordPress developer practice has produced 90+ websites, from editorial platforms handling 500,000+ monthly visitors to WooCommerce stores carrying 10,000+ SKUs. Every website that leaves our team is performance-tuned, SEO-ready, and built so non-technical editors can manage it without touching a line of code. The full stack developer team I lead operates across the entire technology stack. On the frontend: React, React TypeScript, React Next.js, Vue.js, Webflow, Tailwind CSS, and Bootstrap. On the backend: Python, FastAPI, Django, Node.js, Laravel, PHP, REST APIs, and GraphQL. Our Python developer capability covers data pipelines processing 2M+ records daily and backend APIs handling 100,000+ requests per hour. Infrastructure runs on AWS, Firebase, and Supabase, with CI/CD pipelines that compress deployment time to under 8 minutes. We've delivered software across 15+ verticals including AI platforms, fintech, healthcare, legal document automation, education LMS, HR software, social media products, automotive ERPs, manufacturing systems, and digital marketing platforms with Meta, Google, and TikTok integrations. Our AI-powered platforms have reduced client manual review time by 65%, improved lead qualification accuracy by 44%, and automated 1,200+ repetitive operational tasks per month. The engagement model flexes to fit what you actually need. A solo React developer who owns frontend delivery end-to-end and ships a complete system in 6 weeks. A senior web developer who steps into an existing codebase, stabilizes releases, and reduces critical bug rates by 80% within 90 days, something we've done for 25+ companies. A full stack developer team scaling from 2 to 14 engineers mid-project without missing a single deadline. We've operated in every configuration and delivered in all of them. Whatever the scope - a new website, a SaaS product, a scalable React frontend, a CMS platform, cross-platform mobile apps, or a complete backend system, my team has the full stack developer depth, the React developer precision, the web developer range, and the product engineering experience to build it right the first time. 14 years. 320+ products. Millions of users served. Let's build yours.
EVNE Developers - Outcome-Based Delivery for Startups
Associated with
EVNE Developers - Outcome-Based Delivery for Startups
$600K+
earned
Ruslan K.
$180/hr
100% Job Success
$1M+ earned
Available now
Offers consultations
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AI-focused Technical Leader and hands-on Engineer with 22+ years building products from zero to production. I architect and ship AI-powered SaaS, B2B/B2C platforms, and enterprise systems - writing code daily while leading teams and strategy. 📞 Invite me to your job for a FREE 15-minute consultation! 📞 Highlights: 🤝 56,000+ hours & 220+ jobs completed (with my Upwork agency), all with 5-star reviews 🤝 Top 1% of All Talent on Upwork & "Expert Vetted" Badge 🤝 $2M+ revenue generated on Upwork alone 🤝 18+ years of Senior Technology Executive management experience in roles such as CEO, CTO, VP R&D, Head of Engineering, Systems/Software/Cloud Architect, DevOps, PM, etc. Technical leadership and managing remote and on-site teams of up to 30 What I Do: I help companies build AI-first products - from initial architecture to production. Think of me as your remote, hands-on CTO and Lead Engineer: I design systems, write code, manage engineering teams, collaborate with designers on UX, and ship. My company builds large open-source platforms (ERP/CRM/HRM, Commerce, Work / Project Management), and I bring that same 0-to-1 product-building experience to every client engagement. Over the years, I've helped hundreds of companies, from startups to large international enterprises, and have conducted business in the US, Israel, Ukraine, and Bulgaria. Worked remotely with companies worldwide: US, UK, Norway, Ukraine, India, Australia, etc. Worked on multiple highly complex commercial projects, both in startup and enterprise environments, with small and large teams. I can work with the team or develop software independently from the ground (to production), keeping the software quality along the way extremely high! Rates: - Short-term / consulting: $180/hr - Long-term engagements: $120/hr Services: - AI strategy, architecture & implementation for existing and new products - Fractional CTO / technical leadership for startups and scale-ups - Product architecture, estimation & 0-to-1 builds - Code reviews, performance optimization & solving complex technical problems - Team mentoring and engineering process improvement (Agile/Lean) Short summary of software engineering expertise: ◾ AI Agents & Multi-Agent Systems (LangChain, CrewAI, AutoGen, custom orchestration) ◾ LLM Integration (OpenAI / ChatGPT, Anthropic / Claude, Gemini, local models) ◾ RAG Pipelines, Embeddings, Vector Search, AI Chatbots ◾ ML / Deep Learning (TensorFlow, PyTorch, Python) ◾ SaaS (B2B & B2C) / Multi-tenancy Architecture ◾ Cloud & DevOps: AWS, Azure, GCP, Docker, k8s, CI/CD, Serverless ◾ 15+ years with .NET / C# ◾ 10+ years with JavaScript / TypeScript ◾ 5+ years with Node.js / NestJS ◾ Python (AI/ML, Django, Serverless), Java, and more In technology, my focus spans AI-powered systems, Web, Mobile & Distributed Software: - AI & ML: LLM orchestration (OpenAI, Anthropic, Gemini), AI agents, RAG, vector databases, TensorFlow, PyTorch, prompt engineering, fine-tuning. - Backend: Node.js / NestJS, .NET / ASP.NET Core, Python, JS / TypeScript. - Frontend: React/ReactNative, Angular, Vue. - Data: PostgreSQL, MongoDB, MS SQL, MySQL, Kafka, RabbitMQ, ElasticSearch. - Cloud & DevOps: AWS, Azure, GCP, Docker, Kubernetes, Serverless, CI/CD. Some of the latest OSS projects include: - An Agentic Runtime that Autonomously Builds and Maintains Web Apps - Orchestration System for Autonomous AI Companies - AI-powered Open-Source ERP/CRM/HRM Platform - Work and Project Management Platform with AI features - Modern Commerce Platform (reactive server, mobile & web apps) Feel free to message me to get more details about my experience relevant to your specific project, I am always open to new opportunities! 📞 Reach out by inviting me to your project right now! 📞 Looking forward to working with you on amazing projects, - Ruslan
Ruslan K. has worked .
Ever Digital SL
Associated with
Ever Digital SL
$40K+
earned
Muhammad J.
$25/hr
100% Job Success
Available now
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Hi, I’m Jehanzeb! I build cross-platform mobile applications and full-stack web systems with clean, highly predictable codebases. I work as an iOS app developer + Android app developer using one Flutter codebase for both platforms. I also specialize in designing scalable architectures that connect high-performance front ends with robust MERN stack backends and secure real-time admin dashboards. WHAT I SPECIALIZE IN: → Flutter Mobile App Development • Cross-platform iOS and Android applications • Flutter & Firebase integration • Clean Architecture and scalable project structures • Real-time features and notifications • API integrations • Payment gateway integration • App Store and Google Play deployment • Performance optimization and bug fixing → MERN Stack Development • React.js frontend applications • Node.js and Express.js backend development • MongoDB database design and optimization • REST APIs and third-party integrations • Authentication and authorization systems • Admin dashboards and internal tools • Real-time applications using WebSockets • Scalable backend architecture → Full-Stack Product Development • Minimum viable product development • Marketplace applications • CRM and ERP systems • Saas based platforms • Booking and scheduling platforms WHO IS THIS FOR: • Founders & Startups: Deploying stable, investor-ready MVPs, prototypes, and beta versions. • SaaS Platform Owners: Expanding legacy monoliths into optimized, fast-loading infrastructures. • Enterprise Teams: Businesses requiring secure system design that effortlessly supports 10,000+ active users. What gets delivered: • Flutter app synced perfectly with backend logic • Admin dashboard giving real-time product control • APIs that remain stable under scale and load • Automated AI system replacing manual operations • Full unit and integration testing on every build If you're looking for a Flutter developer or MERN stack developer who can take ownership of both mobile and web development while maintaining high delivery standards, I'd be happy to discuss your project. LIMITED PROJECT SLOTS AVAILABLE: I take on a limited number of projects at a time. Book a consultation, and I'll personally review your setup and give you a practical roadmap.
Muhammad J. has worked .
MindRex
Associated with
MindRex
Andrii K.
$47/hr
100% Job Success
$200K+ earned
Available now
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We build scalable, production-ready SaaS platforms and AI-powered web applications for startups and growing businesses. Our focus: architecture, performance, AI integration, and long-term scalability. Over 80+ products delivered across Healthcare, Education, Logistics, eCommerce, Marketplaces, and Enterprise systems. 💡 Core Expertise 🔹 Full-Stack Development - Node.js, NestJS - Next.js (SSR, ISR, Edge) - Ruby on Rails - React.js, Angular, Vue - React Native (hybrid mobile apps) 🔹 AI & Automation - OpenAI API (GPT-4, Assistants, Function Calling) - AI SaaS platforms - Retrieval-Augmented Generation (RAG) - AI chatbots & copilots - NLP & AI-powered personalization - AI workflow automation - AI-driven APIs 🔹 Architecture & Infrastructure - Multi-tenant SaaS - High-load backend systems - REST & GraphQL APIs - SQL / NoSQL databases - CI/CD pipelines - Performance optimization 🤖 Our Proprietary AI Platform – Bridge We built Bridge, our internal AI Agent development framework. Bridge enables: - RAG pipelines for knowledge assistants - Secure ingestion from PDFs, CRMs, APIs - AI copilots for SaaS products - Multi-channel deployment (chat, web, internal tools) - MCP server creation - Modular and scalable AI architectures This allows us to deliver AI features faster and more securely than most teams. ⚡ Our Acceleration Advantage We use our own production-proven boilerplate. BC Next.js + NestJS Boilerplate helps: - reduce development time - ensure clean architecture - speed up MVP launches - maintain scalability from day one Even other agencies use it. 🧠 How We Work Deep product discovery Architecture design & tech stack validation Sprint-based Agile development Transparent daily communication Automated testing & QA Production deployment & scaling support We think like product owners, not just developers. 🎯 Why Clients Choose Us Strong backend architecture skills Real SaaS experience (not landing pages) AI-first mindset Clean, maintainable code Excellent communication Long-term partnership approach If you're building: - AI SaaS - Marketplace - Telehealth system - ERP/CRM platform - Multi-tenant dashboard - Custom AI assistant - Scalable web app Let’s talk! We offer a free technical consultation and architecture review. Additional Expertise: HTML5, CSS3, Sass, Scss, Responsive Web Design, Cross-Browser Compatibility, Web Accessibility, SEO Optimization, Frontend Architecture, Query, Angular, Vue.js, Ember.js, Web Components, Progressive Web Apps (PWA), Single Page Applications (SPA), Server Side Rendering (SSR), Client Side Rendering (CSR), API Integration, GraphQL, RESTful APIs, Web Performance Optimization, Browser DevTools, Git, GitHub, Webpack, Gulp, npm, yarn, Visual Studio Code, Sublime Text, Atom, Responsive Images, Lazy Loading Images, Code Splitting, Error Handling, Debugging, Agile Methodologies, Scrum, Kanban, Continuous Integration and Deployment (CI/CD)
Andrii K. has worked .
Brocoders
Associated with
Brocoders
$300K+
earned